CR1220 Maxell Battery is a small, long‑lasting coin cell battery commonly used in watches, calculators, key fobs, and small electronic devices. Known for reliable performance and stable voltage, it provides dependable power in a compact size.
🔋 Coin Cell Battery: Compact CR1220 lithium battery for small devices
⚡ Long-Lasting Power: Provides reliable energy for extended use
📱 Wide Compatibility: Ideal for watches, calculators, toys, and key fobs
🌡️ Stable Performance: Works across a broad temperature range
🛡️ Safe & Reliable: Built-in protections for leak prevention
💼 Portable & Lightweight: Easy to carry as a spare or replacement
🔄 Consistent Voltage: Maintains 3V output for steady device operation
🏷️ OEM Quality: Trusted Maxell brand for durability and reliability
🪶 Low Self-Discharge: Holds power during storage
📦 Easy Replacement: Simple swap-in design for convenient use
| Model | Maxell CR1220 |
| Battery Type | Lithium Coin Cell |
| Chemical System | Li‑MnO₂ (Lithium Manganese Dioxide) |
| Nominal Voltage | 3 V |
| Nominal Capacity | ~40 mAh (typical) |
| Diameter | 12 mm |
| Height / Thickness | 2.0 mm |
| Weight | ~1.5 g |
| Operating Temp Range | −20 °C to +60 °C (varies slightly by spec) |
| Shelf Life | ~10 years (in unused storage) |
| Rechargeable? | ❌ No (primary, non‑rechargeable) |
| Typical Uses | Watches, calculators, key fobs, small electronics |